Adjustable and removable pitot tube.



imitant-ien meri. Kuit' iitilit.

To all whom 'it may emmer/ri:

Be ithnoivn that li, linearen l?. itinerante7 a citizen of the UnitedStates, residing at itinerside, inthe county olf' Coo/h' and State oftillinois, have invented certain new and useful Improvements indidjustable and Iteniovahie Pitot Tubeao-i which the elieiivinp; is a'specification..

This invention relatee te a difterentiai pressure tube which is designedand intendpreseure difference or iiow oit duid the/reim v The principalobject olf the invention is to provide a device of this hind which is adinstable for traversing a Groen-section oit the conduit, and is alsoremovabie So that it een be used at dij'erent places, and aleo so thatit eanbe easily eleaned, and kept clean.

-@ther objects will appear hereinafter.

in the accompanying drawing-Figure i is a side View partly in sectionoi'a tube constructed in accordance with the priiieiplee of thisinvention and 'diagrainnratiealiy shown as being connected to anindieating tttube; and f Fig. 2 ie a section taken on line 2?-2 ot Fie.l.

litt is found that Where tube of this hind.

is lett continuously in a pipe` or conduit there is apt to be anaccumulation ot dirt,

such as gre-ase and oil7V from live steam. or gas, or scales andsediments, such as lime., from live steam or viratei1 pipes. lt ie adistinct `advantage therefore to `have a removable Pitot tuibe whicheanbe ineerted at will. for measuriufr the tiow and applied at dierentpoints, it desired. The device has also aupther distinct advantage,vvhioh is Jfor experimental purposes, Where it is desired to measure andcompare the (lidera-nee in pres;u sure or How at different pointstransveinely of the conduit in which the Pitot tube is inserted.

rihe present invention. iS intended to be used in any pipe or conduit lin which a duid is flowing auch tor example, as a Steaua gas or Waterpipe'. t @eeh 2 has a threaded stem 3 which is inserted through the Walloi the pipe l, and this eoek has a longitudinal bore vextending 4throughthe etein fi and through the oppoeite end oit the eoeir. lin a taperedopening ,5, extending; transversely oi2 lthe bore e, a valve' 6 isSeated, having an opening; 7 adapted to be moved inte or out of registerwith the bore et of the eoek, and

tipeeication ei' l ,Marit this valve ie held tightiy in the ripening;'by ineane of a .vasher 8 vat the smaller end ot the opening; a, andv anut el is threaded on a preti-riding stein l0 of the valve t3,

it the enter end ot the @och 2 a groove il in which a correspondingprojeetion l2 of a hitting i3 is inserted to Inalre a fluid tightcenneetion with the eheh'7 and these parte are fastened together byscrews le, or

other suitable fastening means. rlhie rnein-V ber i3 also has a centralperforation to reg'- `ieter with the here ai and eide pressureequalizing grooves. l5 tor pre venting a ioeal action of leakage along;a tube ld, whieh. is ineertible through the member i3, threw?. the boreIt et the @eelt and the npeuiingu i n 'the valve (i, when the valve is;turned. he preper directien until the inner end oi* the tube it@pruvieete within the pipe L .Nit the outer end oit the member i3 is aneniarged space if! on the inside eurroun ing the tube 16 and a threadedexternal suriz ee lupun whieh a peeking ed ter i'Jightenin-g the panning20 against the tube i6. The outer end et the gland i9 is formed with asplit collar 2l, the pertione oit' which may be eiainped tightly aboutthe tube by nieaue of screws 2Q: ii'or holding the tube in any adjustedposition inside of the tube i6 are Statie narnie tubes 23' and 2li whichproject from the inner d of the tube 16 where they are beveled inopposite directions, ae clearly shown in Fig. i, to receive the direntiinpulee of duid doi/ving in the pipe i. These tubes :23 and 2t areeonneeted to the opposite ends of a diiterentiai pressure device, suchas a and dytl-tuhe 25, for indicating the diderenee iny pressure or theHow of iiuid in the pipe l. This, of course, is only a diagrammatic anrangement of the indicating means to show the afiuipiicatien oli thePitet tufbe.- t will be evident that the tube i6 can be entirelyT Withdrawn from the pipe l, Witheut lose et preisn 'packing-'20 maintain a'fluid-tight eonneetion between the tube .i6 and the member iii, andafter the valve die ehieed, the lFitet tube ajland i9 is thrinidM turnedand the bore v a plurality oi.z intiti liti

limi

Mld

if cles epi, ij@ y re'i'iiombl n of 'threaded ete-iii und :i i'.

- extending ai Fifi can loe e '-iiely ireuioved :from il and if (L reel,the limg itse if comu ized from 'the cook Q by lo oiclei: to iufliouieinclined ende-:o 'lle Luo tube 16 p1. olvicl-e'i wil; indicate Elieexifou i', to v ei these inclined, ende eminem-@ed W'Lf tube, s 'tiugwith the eeio poisiiiou el; glie iiuiei edge of the thi. .oui theCoeli'. pointer 26 ie gli Hrw :seeuiecl 'to elle member upon which ii;'ficlgfueeble by ineens of u sloi; 27 aucl elseif,l

'position of 'the e i 24;, the

'for iiiflioa'ting the poulie ou he tube o all. which the gi'afluuiousliould be reed. The variation ef 'this pointe? may be o ery tocompensate for tubes mail cey i of vz me lengths. emoeui; only f eimeeiueie e w il. 'the Lube wie e thai the di 'lured ai; my eiezu; pipe l,bui also Limi actually ioveal i in nip iii which iflurl of the' fluid esL blaeie'oife5 ideal eiipei'imeuinel pu'peses es the tubes een. all. I 1l amil ,the

ill'ierei/fiom7 a. tubular .ui imei insee-Lele iliie'f we, Clie bore ,1"een 'oe life milieu@ rele ite vieioiy mule leeeii 'ioiii the velve- 2.The JW Stem one ai: the Gelee? membei" leiigiii bore iii any eogue'eif3, hpacking gluii um; e e, Szufoo jiu elle @zei-mee -he stem, und a,tubular member longitudinally adjustable in lie bore, the sepzusilm; 65extension forming means whereby die mlm lai' member een be Withdrawnthrouglillie valve Without removing in from the lloro.

ly An adjustable Pitot Lube compiti. K fitting with avalved.longitudinal bei tubular member itting closely but udjguisl able in thebore end having :i longitudinal scale of graduation, and ineens inconnection with the fitting at; one side lioi'eoi for iu cheating theextent to which the membei: pico-- 'f jects from tli, iitliei' Side ofthe ilirin by olie Said graduation.

.ln au adjustable lil tube giuri- 'uziteil tubular member, mesmevzilveiil tting iii which the i 5G able, und :i poiuieir iii coi'fitting for indicating wi'li ivlie .in U tiene the position of iz-ietubular mei? the fitting.

(i. The Combination Wit-.l1 :i l i liuviiig a velved bore comuni 'cA gwilli the interior of the pipe, e. uluilfii' me fitting 'eloeellgT iiilie looie uml ,iiisei therethrough into the pigej :incl n. me device theouter euri mid ing a, split coller foi.' clamp' member iii any adjusecipo lioie.

The eoiiibinetoiivv e, pieni Y y I, l eoeii having e waived mumeatin@-with the pipe Ifiifzliiu meins iomimg an extension. o(l e uyomi '(:hevalve of Seid eoclif, f x will mlmlm member longitudinally L [ble iiilille Ibore having static :mtl ciyiiuxnii', tubes wizlr- M in theconfines of the tubular ine-,mls iusertible through the' bore a. peekingfoi' making' e lmoftig i tion around the tubular meinbering apaekiuggleucl with split c means fori-elempmg the coll? tubiilm' memberto iiolfl 'lie le. jueiecl pesitiomeml pointer' .mounted upon sii-iclmeans :xml l. over the packing gland, edjecem" il i of the tubularmember which is i'i testimony-whereof have s neme to this speciiemion'on this July, A. l); 1918.

'LEST

